Manifold MarketsNo KYCVerified resolution dataFairly calibratedCurrent community forecastPuerto Rico 49.3%Leader of 13 outcomes
Forecasters
38
Question type
multiple choice
Methodology
Play-money forecasting platform
Source type
Forecast
7d Change
0.0 pts
Market data
Updated 16 hours ago
StaleMay 2, 24, 7:46 PM UTCJan 1, 41, 4:59 AM UTC
Trends
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Will there be a 51st state by the end of 2040?
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KalshiWill Venezuela become 51st state?
PolymarketWill Trump add a 51st state to the US?
KalshiRules
https://en.wikipedia.org/wiki/51st_state
- Update 2026-01-20 (PST) (AI summary of creator comment): If multiple new states are added simultaneously: The market will resolve 50/50 between those states.
- Naming: This market resolves based on the colloquial area name, not the official state name.
- For example, if DC becomes a state with the official name "The State of Columbia", it would still resolve to the "the named outcome" answer option.
Open markets
AIKALSHITop AI model in September?
- claude-fable-5.1-max-12.0pt72%
- claude-opus-5-high+2.0pt6%
- claude-opus-4-6-thinking4%
+3 more outcomes
- Total Vol
- $157.2K
- 24h Vol
- $119.4K
POLYMARKETWill CMI declare a Millennium Prize Problem solved by which date?
- 2028+10.0pt60%
- 2027+2.0pt31.4%
- 2026+2.0pt8.6%
POLYMARKETAnthropic IPO by which date?
- December 31,-1.0pt90%
- December 15,+3.5pt90%
- November 30,85%
+7 more outcomes
- Total Vol
KALSHIBest AI at the end of 2026?
- Claude-0.7pt61.4%
- ChatGPT-2.7pt22.8%
- Grok-0.1pt7.9%
+5 more outcomes
- Total Vol
- $10.6M
KALSHIBest AI in Sep 2026?
- Claude+3.0pt81.3%
- ChatGPT-4.0pt11.2%
- Grok2.8%
+4 more outcomes
- Total Vol
- $377.7K
- 24h Vol
POLYMARKETOpenAI’s Astra Model: Text Arena Debut?
- 1480+-2.5pt66%
- 1490+-9.0pt51%
- 1500+-3.5pt23%
+2 more outcomes
- Largest IPO by market cap in 2026?
- OpenAI IPO Closing Market Cap
- When will Anthropic officially announce an IPO?
- Anthropic IPO Closing Market Cap
- When will OpenAI achieve AGI?
- Will Anthropic’s valuation hit __ by December 31?
- Will OpenAI's valuation hit __ by December 31?
- Next Google Gemini Pro Model released by which date?
- Best Chinese AI Company end of September?
- What will OpenAI's IPO valuation be?
Frequently asked questions
- What are the current odds for What will the 51st state of the United States of America be??
- Manifold Markets prices Puerto Rico at 49% as of September 8, 2026.
- When does What will the 51st state of the United States of America be? resolve?
- What will the 51st state of the United States of America be? is scheduled to resolve on January 1, 2041.
- How is What will the 51st state of the United States of America be? settled?
- Manifold Markets settles this market as follows: https://en.wikipedia.org/wiki/51st_state